As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK INFLIGHT MIA TO CDG - LEFT HYDRAULIC QUANTITY LOW INDICATION. LANDED JFK WITHOUT INCIDENT. FOUND RUDDER AREA WET AND LEAKING B NUT FITTING AT HYDRAULIC BLOCK IN VERTICAL FIN. REPLACED SEAL AND SECURED B NUT. SYSTEM GROUND CHECKED NORMAL OPERATION.